673363129 has 2 divisors, whose sum is σ = 673363130. Its totient is φ = 673363128.

The previous prime is 673363073. The next prime is 673363133. The reversal of 673363129 is 921363376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518609529 + 154753600 = 22773^2 + 12440^2 .

It is a cyclic number.

It is not a de Polignac number, because 673363129 - 2²¹ = 671265977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673363091 and 673363100.

It is not a weakly prime, because it can be changed into another prime (673363189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336681564 + 336681565.

It is an arithmetic number, because the mean of its divisors is an integer number (336681565).

Almost surely, 2^673363129 is an apocalyptic number.

It is an amenable number.

673363129 is a deficient number, since it is larger than the sum of its proper divisors (1).

673363129 is an equidigital number, since it uses as much as digits as its factorization.

673363129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 40.

The square root of 673363129 is about 25949.2413954628. The cubic root of 673363129 is about 876.4956749561.

The spelling of 673363129 in words is "six hundred seventy-three million, three hundred sixty-three thousand, one hundred twenty-nine".